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Bělík, David. "Ověření uživatelů pomocí chytrých telefonů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220984.
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The main aim of this diploma thesis is to get acquainted with the area of secure authentication and authorization of users in smartphones on the Android platform. Individual types of encoding, authentications, authentication devices and characteristics of QR codes are decribed in the chapters. In the practical part of this thesis the applications are created with an implemented authentication scheme, which is being developed at FEKT VUT in Brno. The client part of the application, that generates QR code, as well as the server part, that verifies the authenticity of the data, are set up.
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Falk, Daniel. "Implementation and evaluation of sensoring a user's position with React Native." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-143688.
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Today, there are many different ways to handle physical access control. RFID cards and tags are still a major solution but during the last years the market have been focusing on taking advantage of the devices that most people always carry with them, such as smartphones, tablets or smartwatches. This thesis has been carried out together with the company BRP Systems. They develop and deliver business systems to mainly the fitness business. In their product suite there is an application for booking workout sessions at these facilities. In this thesis their booking application has been rebuilt as a prototype and the functionality of unlocking the door and checking into workout sessions has been added. The application has been developed in React Native for Android and has been implemented in three versions using different techniques to sensor the users position at the door. The techniques are iBeacon, GPS and QR code. The iBeacon- and GPS versions work by allowing the user to unlock the door when standing outside it. A local notification will be pushed if the application is in the background. The QR code version allows the user to scan a QR code at the door to unlock it. When the door has been unlocked the users can also check into their booked workout sessions. The system and the different versions have been tested at one of BRP Systems customers to evaluate the usability. The conclusion is that an application with high usability can be built with all tested techniques in React Native. For the system to be used several other factors such as security and maintenance has to be considered. The choice to use React Native might be of high risk since it is a relatively new framework relying on community developed libraries.
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Putta, Advaith. "Implementation of Augmented Reality applications to recognize Automotive Vehicle using Microsoft HoloLens : Performance comparison of Vuforia 3-D recognition and QR-code recognition Microsoft HoloLens applications." Thesis, Blekinge Tekniska Högskola, Institutionen för datalogi och datorsystemteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-17651.
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Context. Volvo Construction Equipment is planning to use Microsoft Hololens as a tool for the on-site manager to keep a track on the automotive machines and obtain their corresponding work information. For that, a miniature site has been build at PDRL BTH consisting of three different automotive vehicles. We are developing Augmented Reality applications for Microsoft Hololens to recognize these automotive vehicles. There is a need to identify the most feasible recognition method that can be implemented using Microsoft Hololens. Objectives. In this study, we investigate which among the Vuforia 3-D recognition method and the feasible method is best suited for the Microsoft Hololens and we also find out the maximum distance at which an automotive vehicle can be recognized by the Microsoft Hololens. Methods. In this study, we conducted a literature review and the number of articles has been reviewed for IEEE Xplore, ACM Digital Library, Google Scholar and Scopus sources. Seventeen articles were selected for review after reading their titles and abstracts of articles obtained from the search. Two experiments were performed to find out the best recognition method of the Microsoft Hololens and the maximum distance at which an automotive vehicle can be recognized by the Microsoft Hololens. Results. QR-code recognition method is the best recognition method to be used by Microsoft Hololens for recognizing automotive vehicles in the range of one to two feet and Vuforia 3-D recognition method is recommended for more than two feet distance. Conclusions. We conclude that the QR-code recognition method is suitable for recognizing vehicles in the close range (1-2 feet) and Vuforia 3-D object recognition is suitable for recognition for distance over two feet. These two methods are different from each other. One used the 3-D scan of the vehicle to recognize the vehicle and the other uses image recognition (using unique QR-codes). We covered effect of distance on the recognition capability of the application and a lot of work has to be done in terms of how does the QR-code size effects the maximum distance at which an automotive vehicle can be recognized. We conclude that there is a need for further experimentation in order to find out the impact of QR-code size on the maximum recognition distance.
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Nilsson, Adam, and Merkle Daniel Elmar. "Technical solutions for automation of warehouse operations and their implementation challenges." Thesis, Linnéuniversitetet, Institutionen för ekonomistyrning och logistik (ELO), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-74930.
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PurposeThe purpose of this study is to focus on the challenges with the implementation of technical solutions for automation of warehouse operations for the movement and tracking of goods. Additionally, the focus is on the similarities and differences between the identified challenges in theory and practice. MethodologyThis study employs a qualitative research strategy with a cross-sectional research design. A qualitative analysis of the challenges for the automation of warehouse operations is done, with the help of semi-structured interviews of 9 different companies.TheoryThe theory chapter starts with an introduction of warehouse management systems (WMS) and the differentiation between the main and supportive warehouse processes, whereby the focus is drawn on the supportive processes. The supportive processes are differentiated into the movement and tracking of goods. For the movement of goods automated guided vehicles (AGVs), Automated forklifts and Automated conveyor systems are analyzed. For the tracking of goods Barcodes, QR-Codes and RFID technology is examined. These two areas are also analyzed regarding their identified challenges. AnalysisThe analysis is based on the identification of the challenges from theory and empirical data for the tracking and movement of goods within a warehouse. Therefore, the empirical perceived challenges are processed and merged together. Afterwards, the theoretical and empirical identified challenges are compared for each of the technical solutions for automation for the movement and tracking of goods. Additionally, a comparison between the degrees of importance of the perceived challenges is drawn.Conclusion Technical solutions for automation for the movement and tracking of goods perceived in theory and practice are analyzed in this thesis. The conclusion of this study is that there are differences and similarities between the challenges for the movement and tracking of goods. Regarding the movement of goods, theory is more directed to see challenges after the implementation in contrast to the focus of practice on the pre-implementation challenges. For the tracking of goods, the perceived challenges in practice are more about the usage and not as technical oriented as the theory.
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Tzeng, Tz-Shiou, and 曾子修. "Implementation of QR Code Reading Pen." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/24966532023211211529.
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碩士<br>淡江大學<br>電機工程學系碩士班<br>97<br>The QR code is developing from the one digit barcode. Because, the wide ranges of the barcode usage in our daily life and technology’s improvement, the traditional one dimension barcode system with only 15 digits of numbers or words data are not enough to be use. So to overcome this issue, the two dimension barcode is developed and the QR code is one of the two dimension barcode system with the large data with the small printing size. QR code reading pen is a solution of a mobile device to decode the QC code and show the data in the QR code. This will make the QR code become more easy and convenient to be use.
This thesis is mainly focus on the designing of QR code reading pen. The QR code reading pen is the device can capture the QR code image and decode it. This device is mainly use the Windbond 32 bites RISC W99802G processor to design the QR code’s decoder and audio processor. Through the sensor point on the QR code images, the Windbond 32 bites ARM9 CPU will decode the QR code. The structure of QR code reading pen can be dividing into three parts. The first part is the image sensor of the QR codes to capture the QR code images. Second part of the QR code reading pen will start to image process and decode by the W99802G. The final part is to display the data which W99802G has decoded on the LCM screen.
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Chan, Jung-Tung, and 詹榮桐. "Microprocessor Implementation of the QR Code Decoder." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/22203825526936645465.
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碩士<br>淡江大學<br>電機工程學系碩士在職專班<br>96<br>This thesis presents a QR code audio guider. It is composed of image capture, image processing, error correction, information decoding, audio link. In addition to overview of QR code, encoding, CMOS sensor characteristics, mainly in Sunplus 16-bit microprocessor SPEC061A to achieve QR code of the decoder. The main advantage is that the C language code of cross-platform, and to reduce external components.
Sunplus 16-bit microprocessor to achieve SPEC061A QR code decoder can be divided into five parts, the first to write commend through SCCB bus to the CMOS sensor registers, the second control external memory, the third part from the CMOS sensor to read out information to the microprocessor, the fourth part from the microprocessor to transmit data to personal computers, as part of the fifth on a personal computer QR code decoding software to verify the results are correct.
We printed images of various sizes, and then using the platform to capture image, the QCIF decoding software to verify the decoding. The platform can capture the image more than 1.2 X1.2 cm above and decode correctly.
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Liu, Yi Wen, and 劉逸雯. "Authentication of QR Code and its System Implementation." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/sa4pps.
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碩士<br>長庚大學<br>資訊管理學系<br>102<br>Along with the trend that the use of QR code has grown popular, threats to information security impose a great concern. Generally speaking, users do not know the information encoded with a QR code, thus, are not capable of detecting malicious attacks. Therefore, there is a need for verifying the integrity of QR codes. In this paper, we revise the software code that is used to encode plaintexts into QR codes and to decode QR codes back to plaintexts, and add to it the capability for integrity verification. The international standard ISO18004 provides us with a basis for this software project. Our approach, in comparison with a previous work, can be called an integrated approach, as we add the capability of integrity verification directly into the encoding and decoding code itself.
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鄭棋文. "Implementation of mobile tour system associated with the QR Code." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/59138570628053726234.
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碩士<br>國立清華大學<br>資訊系統與應用研究所<br>98<br>With the development of mobile technologies, the mobile phones with a built-in camera has become the most popular and high penetrative technology product, and is regarded as a useful device in the field of mobile learning or life-long learning in recent years. However, it has been a topic worthy of our research on what special considerations and supporting of system implemented on the small-screen phone in the hope to make it an effective tool for life-long learning and access of just-in-time learning.
This study aimed to integrate QR Code into mobile learning system, called Cheng Huang Temple Mobile Interactive Tour system (CHTMITs). The features of the CHTMITs include QR Code and map functions, just-in-time learning, and adoption-based design. Hence, the scenario in this study was a temple, and the visitors could immediately explore the environment and make worship through assistance of the system. The purpose of this study was applying the mobile phone, which everyone could afford, to assist the visitors in a limited time. By utilizing the QR Code to transform information representations and a map-guide interface, the visitors got learning information in time, moreover, overcome the difficulty of inputting messages on mobiles phones, and have the multiple choices to access the information.
Thirty-eight visitors participated in the study. They, aged from 15 to 30 years old, were at a voluntary base and were enthusiastic and interested in using mobile phone in learning. Besides, two visitors formed a dyad and used one PDA phone to tour in learning activities by CHTMITs. The data of visitors’ acceptance, learning outcome, and touring model were collected and analyzed.
The research findings indicate that the users highly positive to the CHTMITs. The system that combined high penetration rate of mobile phones and the adoption-based design helped the users to tour learning instantly. Through the rapid information transformation by QR Code, users could obtain accurate information immediately. Furthermore, a map-guided interface was provided to enable users to do just-in-time learning in the temple. In addition, the users expressed positive attitude towards the touring model, which combined the QR Code recognition function and the map-guide function, provided the advantage in just-in-time learning. The QR Code recognition function features immediacy and convenience in obtaining information. The users could get real-time information by clicking the camera button, and the map-guide function helped them locate their current position and enhance the overall learning fluency. Besides, the users were benefited from the system no matter what prior knowledge they possessed. In addition, using the CHTMITs, users had positive enhancements of learning attitude towards mobile learning and expectation of using mobile tour system again.
Eventually, with this system, the temple becomes a life-long learning environment where visitors could pick up valuable knowledge about the traditional culture and history of the temple. In future work, by continuing integration of QR Code encoding process and follow-up cross-platform design, it is anticipated that the high penetration rate of mobile phones could indeed become an effective tool for acquiring information forthwith, and furthermore, it will be associated with the cloud computing technology to form a life-long-learning-community platform.
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HO, HAO-WEI, and 何皓瑋. "An Implementation of Industrial QR Code (ISO/IEC18004) 2D Barcode Decoder." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/7mkt94.
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碩士<br>亞洲大學<br>生物資訊與醫學工程學系<br>105<br>Barcodes have been widely used in daily life. It not only makes life easier, but also can be used to convey information precisely and quickly. Because of technology advancement of smart portable device, everyone is able to acquire information by a portable barcode decoder.
Based on international standard ISO/IEC 18004, the study implemented a QR code decoder with automatic correction of perspective distortion and translation/rotation/scaling invariance. In order to increase the barcode recognition rates, QR code has three position finders. This setting allows QR code to be decoded from any angles. In the study, a whole procedure of decoding process, from image acquiring, finder localization, symbol precise localization, perspective correction, module sampling, and Reed-Solomon decoder were implemented. This study is a good practice of application of machine vision and barcode decoding.
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Jian-TungWang and 王建通. "Design and Implementation of Augmented Reality System Collaborating with QR Code." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/96276464040455140694.
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碩士<br>國立成功大學<br>工程科學系專班<br>98<br>This thesis proposes to replace the conventional marker of Augmented Reality (AR) with the QR Code pattern and we design and implement a prototype AR system named QRAR (Quick Response Code with Augmented Reality) from scratch. The system has several advantages, compared with traditional black-square-boarder tags. These advantages are: (1) better error correction to reinforce occlusion immunity, (2) the ability of embedding much more information into the code, (3) users do not have to predefine markers and train their AR programs to recognize their markers in advance, and (4) It is also possible to modify (part of) information of makers without recompiling AR programs. In addition, we introduce Kalman filter to solve the marker occlusion issue.
The prototype of AR system uses the QR decoder which feeds back the information contained in the QR Code. The other major part of tasks in our prototype is to track the tilt angle and position of the marker with three bull-eye patterns which are the significant features of QR Code, related to the real world coordinate system. After that, we use part of the information contained in the QR Code to determine which virtual object we are about to draw and use the transformation matrix to make the virtual object in line with the tilt angle and position of the marker in the real world coordinate system. Our proposed system makes it possible to have applications fetch dynamic data from DB servers in the Intranet/Internet. Based on this, we implement a new application which could show a passport owner’s 3D image, assuming that a QR Code is attached with the passport, and our AR application can archive the image, stored in an internet database, identified by the QR Code.
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Liu, Ming-Hao, and 劉明昊. "Design and Implementation of Embedded Android Platform for QR Code Reader." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/50449828282378199147.
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碩士<br>淡江大學<br>電機工程學系碩士班<br>99<br>QR code is a two-dimensional code, compared to one-dimensional code; QR code can store more data, also without licensing fees paid to Denso. The wide range of products are using the QR code and applications being more and more, Taipei Flower Expo this year, the f sign of the flowers is also adding the QR code. Because of it can be read by mobilphone, now QR code is called the mobile bar code.
This thesis proposes the embedded Android systems as QR code reading platform, Android is a Linux-based open source operating system hence the operating system is free, Now it is the most popular mobile device operating systems in the world. In terms of hardware devices used in this article the RealARM 6410 Developer Edition as an embedded porting Android platform, RealARM 6410 using the ARM11 processor Samsung S3C6410,it has low power with high performance features, ideal for use on highly portable mobile devices.
QR code has a lot of convenience to our lives, in the future; we will focus on the development of QR codes in various fields of application, such as adding a QR code for error correction ability to make QR codes can be more widely used in daily life. Also to development the industrial reader and data collector.
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Liu, Chin-Chan, and 劉金嬋. "Design and Implementation of the Platform for QR Code Image Capture." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/52136063763355887618.
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碩士<br>淡江大學<br>電機工程學系碩士班<br>95<br>The thesis proposes a learning platform with QR Code. Sentences and words in the books with corresponding QR code printed. Reading and decoding pictures of QR Code by a capture device and then transmits voice according to the voice database.
We adopt a CMOS Image Sensor as an image capture interface. The CMOS Image Sensor delivers applicable images by setting internal registers of a CMOS Image Sensor. Then resolution of an image affects the picture readability, therefore the larger the resolution is, the clear it is. We must consider the demand of the buffer memory for resolution''s size in order to implement the system by hardware circuits, therefore adopts the 176x144 QCIF. Not only the resolution satisfies the system’s require, but also the memory is controlled under 512K bits. Thesis adopts Altera CPLD chip as the control center. The capture images are stored in the memory buffer and then transmitted images to a PC to decode by a UART interface.
Finally, the experiment result shows that the data capacity of QR Code and the picture size decoded are the direct ratio relations. And the data capacity within 40 letters can correctly be decoded in two centimeters square pictures sizes.
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HSU, HUNG-KAI, and 許宏顗. "Implementation of a Mobile Learning System with QR Code for Campus Plants." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/975pdh.
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碩士<br>南開科技大學<br>電子工程研究所<br>104<br>The main purpose of this research is to explore how to build the campus plants mobile learning navigation system. Through the navigation system, the integration of plants can be established in the school library to improve teaching and also reduce the burden of recognizing the campus plants. The navigation system is quite useful for the interactive teaching. Plants database set up on campus is user-friendly and helpful for additional information on the campus plants. Through "Cha Hukou" teaching mode, teachers and students are able to know the campus plant species and their distribution more easily. The integration of information on campus plants is established by the Joomla! Content Management System, QR Code, Wi-Fi and mobile devices (smart phones with a camera, tablets), navigation system configuration, and user-Quick View campus plants digitized information content.
Based on the test results of students in one junior high school, the navigation system allows users to easily and quickly access the information in order to achieve the best navigation effects. Since the interpretation of data in the navigation system is stored in the website server, it’s easy to update and maintain the content. The problem of data updating can also be solved to achieve the best navigating result. Through QR code, users can have the audio link access to the website explanation so that the action learning satisfaction can be improved up to 84.2%. Using situations influence user satisfaction, and action learning mode is suitable for junior high school students. The explanation of the system meets users’ needs, showing that plants mobile learning navigation system is very helpful for students on learning plant characteristics.
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Lin, Yung-Chieh, and 林雍傑. "Design and Implementation of an Animation System Based on Color QR-Code Technology." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/57271630692238415359.
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碩士<br>國立高雄第一科技大學<br>電腦與通訊工程研究所<br>99<br>The two-dimensional barcode has been used widely on smart phones now, such as ticket, Production records, Coupon etc. However, due to the limited capacity of barcode, we need to connect to the database on the internet to download the information when details are required. Thus, if we could store all the information in barcode, we could save more time by enforcing true off-line browsing. Through, this could cope with the restriction of network and other related issues. An important question need solving: how do we increase the capacity of barcode? In this paper, we develop a way to increase the capacity of the barcode. By color overlapping to generate the third dimension of barcode, capacity of barcode could be increased. However, we need to consider more issues about the color barcode. They are the Color temperature, color off-set, etc. Therefore, it’s our primary objective to trade off a balance among capacity, recognition rate and error correction rate. Using the color barcode we develop a system that enables us to store massive animation video. Through this system, the users could easily make a vivid animation.
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Tsai, Chu-I., and 蔡朱怡. "Implementation of a QR Code Decoder and Application of the Management in Electronic Invoice." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/44152691825546590223.
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碩士<br>國立臺北教育大學<br>資訊科學系碩士班<br>102<br>The wireless mobile devices are popular today. They are almost coupled camera functions. Therefore, the application of two-dimensional barcode is developed and raised. Because the two-dimension bar code has the features of spacious data storage, low production cost, anti-defaced and error correction capability. It has been largely used in many fields since 1990. However, it cannot be used effectively due to decoding failure which is caused by poor derived image quality of mobile devices. Moreover, many factors lead to poor image quality. The purpose of this thesis is to study how to improve the recognition rate of blurred QR Code image which is caused by out of focus. In this study, two experiments with four different methods of reconstruction are being conducted. An application of optimal QR Code recognition is implemented on mobile devices. The results are verified that the information in the mobile environment is feasible.
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Chien, Yu-Lun, and 簡于倫. "Design and Implementation of a Mode Switching System for Smart Life using QR Code and NFC." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/84caaa.
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碩士<br>淡江大學<br>資訊工程學系碩士班<br>102<br>Although the applications supported by the smart phone have improved the quality of our daily life, it also introduces the unfriendly and complex operations. Since the Near Field Communication (NFC) technique has been widely embedded in the smart phone, the user identification mechanism can be developed for removing a number of cards which are currently needed to be carried. Nevertheless, the problems of high hardware cost and security are two major disadvantages which obstruct developing NFC technique. To overcome above-mentioned problems, this thesis proposes a set of APPs which consists of two parts, including the Simplification of Function Setting and Improvements of Identification and Connection. In the first category, the simplification of function setting, this thesis develops a specific function in Android smart phone to reduce the duplicate operations of the users when they try to set up functions every day. The second category, the function of improvements of identification and connection, further allow the users to easily finish their works by applying the NFC and QR code. As a result, the smart phone can be more intelligence to be used in a smart life.
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GUAN, XIAO-JING, and 官筱靜. "Implementation of a Roll-Call and Interactive Response System Based on Smart Phone and QR Code." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/z68f8c.
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碩士<br>健行科技大學<br>資訊管理系碩士班<br>105<br>In recent years, mobile devices (such as smart phones) have become more and more popular. The purpose of this study was to implement a Roll-Call and Interactive Response System Based on Smart Phone and QR Code. Teachers could login into system and turn the class attendence page into the QR code. Students could use the smart phone to scan QR Code, to complete the roll call. And then, teachers could check classroom attendance records in the database. This system had the advantages of rapid roll-call, to reduce the inconvenience in the traditional way.
In addition, this study also developed the classroom interactive response function. Students could use the smart phone to scan the QR Code on the projector screen, to perform quizzes, answer questions, vote statistics, and other classroom interactive response functions. This could promote student participation in classroom, improve learning outcomes. Finally, this study made a systematic assessment based on Decomposed Theory of Planned Behavior. Sampling access to a number of students to evaluate user acceptance of this system. Results showed that the students thought that the system was easy to use, and was compatible with learning. The students had much more intention to use this system.
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Chen, Chih-Hung, and 陳志鴻. "The Implementation of U-Learning Management System with QR Code Integration and its Application on Nature Science." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/64257324132817705350.
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碩士<br>臺北市立教育大學<br>數學資訊教育學系數學資訊教育教學碩士學位班<br>98<br>The ubiquitous learning allows students to learn anywhere and anytime, and makes the learning environment more authentic. The QR Code is a quick response of two-dimensional bar code which is suitable for constructing context awareness environment, and it’s advantageous in saving the cost when applied in education. After recognizing the code, QR Code can be used for linking to the website fast to carry out the ubiquitous learning.
The purposes of this study are as the following: (1) to develop a suitable U-Learning Management System with QR Code Integration and to evaluate the system; (2) to explore the influence of U-Learning on students’ science process skills and learning achievements; (3) and to investigate the pupils’ attitudes toward the system and ubiquitous learning.
The research utilized web technology to develop the U-Learning system, which takes QR code as the context awareness, through analysis, design, and construction. After complete the system, this study employed 26 experienced teachers to evaluate this system. According to the assessment result, the system gets high appreciation no matter in the design and operation of the questionnaire and system, project-based learning, or U-learning perception. In other words, this system is a ubiquitous learning management system suitable for students.
The research adopts a quasi-experiment research design, and used biology and the Environment as a learning unit in this experiment. The subjects in this study are 104 sixth graders from a certain elementary school in east Taipei. After the experiment, the scores on the science process skills of the experimental group student are significantly higher than those of the control group students. That is, U-Learning System with QR Code Integration application on natural science can improve students’ science process skills. Further, both the basic and integrating science process skill capabilities of the experimental group students have been enhanced.
According to the research result, students are satisfied and interested in the use of the system, ubiquitous learning management, or U-Learning. Students consider that using QR Code for the ubiquitous learning is very interesting and could learn more authentically, could observe more effectively, and could learn more. Therefore, it is easy to improve their learning effectiveness.
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Hua, Su-Lan, and 花素蘭. "The Implementation of Mobile Tour System for Asia Museum of Modern Art associate with QR Code and E-Cloud Resource." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/27067799444946938775.
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Wang, Pengcheng. "Design and Implementation of Digital Information Security for Physical Documents." 2015. https://scholarworks.umass.edu/masters_theses_2/214.
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The objective of this thesis is to improve the security for physical paper documents. Providing information security has been difficult in environments that rely on physical paper documents to implement business processes. Our work presents the design of a digital information security system for paper documents, called "CryptoPaper", that uses 2-dimensional codes to represent data and its security properties on paper. A special scanner system is designed for "CryptoPaper" which uses image recognition techniques and cloud-based access control to display plaintext of encrypted and encoded data to authorized users.
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Lee, Yen-Chiao, and 李彥樵. "An Explicit Instruction on Reading Strategies: Implementation of QR Codes Design." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/33509867027876452027.
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碩士<br>國立嘉義大學<br>外國語言學系研究所<br>101<br>Reading performance of Taiwanese students is weaker compared to other Asian students, especially in reflection and evaluation aspects based on the results of PISA. As proposed from the previous studies, reading strategies are goal-oriented, specific behaviors and thoughts that readers generate to deal with comprehension difficulties. Compared to the previous strategic reading instruction, the strategic reading instruction with the QR codes support provided simultaneous practice of the reading strategies and helped the learners develop their self-regulated competence to learn or choose to learn the certain reading strategies. This current study aimed to investigate the effects of strategic reading instruction with the QR codes support on learners’ reading comprehension and their reading strategy use.
A total of 43 undergraduate students from a university in southern Taiwan were involved in this study. The participants were divided into two groups, the experimental group with the QR codes support and the control group without the QR codes support. Both groups of the participants attended a five-week instructional intervention to learn and practice reading techniques with and without the QR codes support. Based on a mixed-methods research, the current study collected quantitative data from Task-based Reading Strategy Inventory (Task-based RSI) and reading comprehension assessment, and qualitative data from semi-structured interviews. Hence, the participants’ reading comprehension, reading strategy use and perception were investigated after the intervention.
Compared to the traditional strategic reading instruction, the participants in the group with the QR codes support made a significance progress on their reading comprehension. Moreover, the participants started to cultivate their higher thinking process and try to switch their thinking patterns in English reading after receiving strategic reading instruction with the QR codes support. Further, the participants from both groups also developed self-regulated capacity in their reading process after they received strategic reading instruction.
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"Authenticated 2D barcode: design, implementation and applications." 2013. http://library.cuhk.edu.hk/record=b5884275.
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Li, Chak Man.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2013.<br>Includes bibliographical references (leaves 150-159).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Abstracts also in Chinese.
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Patel, Dimpesh. "VLSI Implementation of Digital Signal Processing Algorithms for MIMO Detection and Channel Pre-processing." Thesis, 2010. http://hdl.handle.net/1807/29986.
Full textAbstract:
The efficient high-throughput VLSI implementation of Soft-output MIMO detectors for high-order constellations and large antenna configurations has been a major challenge in the literature. This thesis introduces a novel Soft-output K-Best scheme that improves BER performance and reduces the computational complexity significantly by using three major improvement ideas. It also presents an area and power efficient VLSI implementation of a 4x4 64-QAM Soft K-Best MIMO detector that attains the highest detection throughput of 2 Gbps and second lowest energy/bit reported in the literature, fulfilling the aggressive requirements of emerging 4G standards such as IEEE 802.16m and LTE-Advanced. A low-complexity and highly parallel algorithm for QR Decomposition, an essential channel pre-processing task, is also developed that uses 2D, Householder 3D and 4D Givens Rotations. Test results for the QRD chip, fabricated in 0.13um CMOS, show that it attains the lowest reported latency of 144ns and highest QR Processing Efficiency.